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Journal articles on the topic 'Creeping bentgrass'

Author: Grafiati

Published: 4 June 2021

Last updated: 27 January 2023

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1

Cattani, D. J., K. C. Bamford, K. W. Clark, and S. R. Smith Jr. "Biska creeping bentgrass." Canadian Journal of Plant Science 72, no. 2 (1992): 559–60. http://dx.doi.org/10.4141/cjps92-070.

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Biska is a creeping bentgrass cultivar (Agrostis palustris Huds.) selected for increased tiller density, dark green colour and seed yield. In comparison with other bentgrasses, Biska has shown higher tiller densities and higher seed yields under Manitoba conditions.Key words: Cultivar description, creeping bentgrass, Agrostis palustris Huds.

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2

Kaminski, John E., and Peter H. Dernoeden. "Geographic Distribution, Cultivar Susceptibility, and Field Observations on Bentgrass Dead Spot." Plant Disease 86, no. 11 (2002): 1253–59. http://dx.doi.org/10.1094/pdis.2002.86.11.1253.

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Bentgrass dead spot (BDS) is a disease of creeping bentgrass incited by Ophiosphaerella agrostis. This project was designed to determine the susceptibility of field-grown bentgrass cultivars to BDS and to gather information regarding the geographic distribution and field conditions favoring the disease. In a field cultivar evaluation trial, all major Agrostis spp. used on golf courses, including colonial, creeping, and velvet bentgrasses, were shown to be susceptible to an isolate of O. agrostis. Velvet bentgrass cvs. SR7200 and Bavaria were among the most and least susceptible cultivars, resp

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3

Ahrens, C., J. Chung, T. Meyer, and C. Auer. "Bentgrass Distribution Surveys and Habitat Suitability Maps Support Ecological Risk Assessment in Cultural Landscapes." Weed Science 59, no. 2 (2011): 145–54. http://dx.doi.org/10.1614/ws-d-10-00094.1.

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The bentgrasses comprise an adaptable group of grasses that include introduced species, cultivated turfgrasses, and native plants in North America. Their distribution in cultural landscapes has not been documented, and this gap in knowledge has limited the development of predictive ecological risk assessments for creeping bentgrass engineered for herbicide resistance. In this study, bentgrass distribution and abundance were surveyed in 289 plots in an 8.5 km2 site surrounding a golf course in the northeastern United States. Four introduced species and two native bentgrasses were identified in

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Lyons, Eric M., Peter J. Landschoot, and David R. Huff. "Root Distribution and Tiller Densities of Creeping Bentgrass Cultivars and Greens-type Annual Bluegrass Cultivars in a Putting Green." HortScience 46, no. 10 (2011): 1411–17. http://dx.doi.org/10.21273/hortsci.46.10.1411.

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Little knowledge exists regarding root distribution of creeping bentgrass (Agrostis stolonifera) and annual bluegrass (Poa annua) in root zones of golf course putting greens. To compare root distribution between these species, three experimental cultivars of greens-type annual bluegrass and two commercial cultivars of creeping bentgrass (‘Penncross’ and ‘Penn A-4’) were established on an experimental golf green and managed under two nitrogen (N) fertility levels (195 and 65 kg N/ha/year) over a 2-year period. Creeping bentgrass had two and three times the total root mass compared with annual b

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Gao, Yang Fan, Ming Wang Shi, and Jian Hua Wang. "The Influence of Chlorophenoxy Herbicides MCPA on Creeping Bentgrass Physiological Index." Advanced Materials Research 356-360 (October 2011): 2763–66. http://dx.doi.org/10.4028/www.scientific.net/amr.356-360.2763.

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In this article, we studied to different concentrations of MCPA to creeping bentgrass Growth. Through the creeping bentgrass in four different periods of chlorophyll content, MDA and soluble sugar content determination. This test result showed:With the MCPA concentration increases, creeping bentgrass decline of chlorophyll content in the same period of growth, MDA and soluble sugar content increased. MCPA used after the early pair of creeping bentgrass growth is large, to put off with MCPA handle time, to affect to creeping bentgrass growth is gradually decreased.

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6

Gardner, David S., Tom K. Danneberger, and Eric K. Nelson. "Lateral Spread of Glyphosate-Resistant Transgenic Creeping Bentgrass (Agrostis stolonifera) Lines in Established Turfgrass Swards." Weed Technology 18, no. 3 (2004): 773–78. http://dx.doi.org/10.1614/wt-03-184r1.

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Genetically engineered varieties of creeping bentgrass, resistant to glyphosate, have been developed. Studies were initiated in 2000 and 2001 to examine the relative competitive lateral spread of several transformed lines of creeping bentgrass, nontransformed controls, and cultivar standards. Five-centimeter-diameter vegetative plugs of creeping bentgrass were transplanted into a 1-yr-old stand of perennial ryegrass in Columbus, OH, and 10-yr-old bermudagrass or 10-yr-old St. Augustinegrass in Loxley, AL. Plots were watered to prevent moisture stress to either the bentgrass plugs or surroundin

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7

Fry, Jack D., M. Ali Harivandi, and David D. Minner. "Creeping Bentgrass Response to P and K on a Sand Medium." HortScience 24, no. 4 (1989): 623–24. http://dx.doi.org/10.21273/hortsci.24.4.623.

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Abstract Media used in golf green construction are typically at least 75% sand by volume. This field study was conducted over 8 years on a sand medium to determine creeping bentgrass (Agrostis palustris Huds.) quality response to P and K. Phosphorus (0, 5, and 11 kgha-1) and K (0, 4, and 8 kg-ha-1) treatments were arranged factorially and applied monthly to creeping bentgrass receiving uniform N (49 kg/ha per month). A significant (quadratic) response of creeping bentgrass quality to increasing P level was observed each year. Creeping bentgrass fertilized at 5 or 11 kg P/ha per month was simil

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8

Krishnan, Sanalkumar, and Emily Merewitz. "Variation in Creeping Bentgrass Cultivar Responses to Drought Stress." HortTechnology 32, no. 2 (2022): 87–89. http://dx.doi.org/10.21273/horttech04957-21.

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Creeping bentgrass (Agrostis stolonifera) is a desirable turfgrass putting green species that is susceptible to drought stress. Planting drought-resistant creeping bentgrass will enhance the resilience of golf turf surfaces, lower required resource inputs, and reduce the environmental impact of golf courses. Creeping bentgrass cultivar performance data during drought stress are needed for informed selection of appropriate cultivars. We evaluated the drought performance of 19 cultivars of creeping bentgrass and found that newer creeping bentgrass cultivars such as Pure Distinction and others ex

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9

McCullough, Patrick E., and Stephen E. Hart. "Creeping Bentgrass (Agrostis Stolonifera) Tolerance to Sulfosulfuron." Weed Technology 22, no. 3 (2008): 481–85. http://dx.doi.org/10.1614/wt-07-039.1.

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Sulfosulfuron was recently registered for grassy weed control in creeping bentgrass, but turf sensitivity is a concern for intensively managed golf courses. Field and growth chamber experiments in New Jersey investigated creeping bentgrass growth responses and tolerance to sulfosulfuron. Creeping bentgrass chlorosis increased with sulfosulfuron rate but turf had less chlorosis from sequential sulfosulfuron applications compared to bispyribac–sodium. Herbicide-treated turf had similar root weight compared to untreated turf on six sampling dates. In growth-chamber experiments, creeping bentgrass

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10

Tredway, L. P. "Genetic Relationships Among Magnaporthe poae Isolates from Turfgrass Hosts and Relative Susceptibility of ‘Penncross’ and ‘Penn A-4’ Creeping Bentgrass." Plant Disease 90, no. 12 (2006): 1531–38. http://dx.doi.org/10.1094/pd-90-1531.

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Isolates of Magnaporthe poae from turfgrass hosts were analyzed for mating type, genetic relatedness according to ITS sequences, reaction to a previously developed species-specific poly-merase chain reaction (PCR) assay, and virulence on two creeping bentgrass cultivars in growth chamber experiments. Analysis of internal transcribed spacer (ITS) sequences revealed three clades, designated A, B, and C. Clade A contained isolates of both mating types from creeping bentgrass, annual bluegrass, and Kentucky bluegrass. Clade B contained only mating type ‘A’ isolates from annual bluegrass, whereas C

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11

Thomas, S. L., P. Bonello, P. E. Lipps, and M. J. Boehm. "Avenacin Production in Creeping Bentgrass (Agrostis stolonifera) and Its Influence on the Host Range of Gaeumannomyces graminis." Plant Disease 90, no. 1 (2006): 33–38. http://dx.doi.org/10.1094/pd-90-0033.

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Avenacinase activity has been shown to be a key factor determining the host range of Gaeumannomyces graminis on oats (Avena sativa). G. graminis var. avenae produces avenacinase, which detoxifies the oat root saponin avenacin, enabling it to infect oats. G. graminis var. tritici does not produce avenacinase and is unable to infect oats. G. graminis var. avenae is also reported to incite take-all patch on creeping bentgrass (Agrostis stolonifera). It is unknown whether creeping bentgrass produces avenacin and if the avenacin-avenacinase interaction influences G. graminis pathogenicity on creepi

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12

DaCosta, Michelle, and Bingru Huang. "Drought Survival and Recuperative Ability of Bentgrass Species Associated with Changes in Abscisic Acid and Cytokinin Production." Journal of the American Society for Horticultural Science 132, no. 1 (2007): 60–66. http://dx.doi.org/10.21273/jashs.132.1.60.

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Abscisic acid (ABA) and cytokinins are two groups of plant hormones that play important roles in regulating plant responses to decreases in soil water availability. The primary objective for this study was to determine whether species variability in drought survival and recovery for colonial bentgrass (Agrostis capillaris L.), creeping bentgrass (A. stolonifera L.), and velvet bentgrass (A. canina L.) were related to changes in ABA and cytokinin content. Plants of ‘Tiger II’ colonial bentgrass, ‘L-93’ creeping bentgrass, and ‘Greenwich’ velvet bentgrass were subjected to two soil moisture trea

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13

McCarty, L. B., and A. E. Dudeck. "Salinity Effects on Bentgrass Germination." HortScience 28, no. 1 (1993): 15–17. http://dx.doi.org/10.21273/hortsci.28.1.15.

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Duplicate studies were conducted to determine salt tolerance during germination of eight bentgrass (Agrostis spp.) cultivars commonly used for overseeding warm-season turf species, such as bermudagrass (Cynodon spp.) putting surfaces. Bentgrass seeds were germinated on agar salinized with 0, 4000, 8000, 12,000, or 16,000 mg·liter-1, with the highest rate approaching one-half seawater salinity. Total germination decreased linearly or quadratically for specific cultivars as salinity increased. Time necessary to reach 50% germination across all salt concentrations was shortest for `Highland' colo

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14

Lycan, Darren W., and Stephen E. Hart. "Foliar and Root Absorption and Translocation of Bispyribac-sodium in Cool-season Turfgrass." Weed Technology 20, no. 4 (2006): 1015–22. http://dx.doi.org/10.1614/wt-05-155.1.

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Response of creeping bentgrass, annual bluegrass, and Kentucky bluegrass to foliar, soil, or foliar plus soil applications of bispyribac-sodium was evaluated in greenhouse studies. Soil-alone and foliar plus soil applications of bispyribac-sodium at 148 or 296 g ai/ha resulted in greater injury and shoot dry weight reduction of all species 28 d after treatment (DAT) compared to foliar-alone treatments. Creeping bentgrass was less injured than annual or Kentucky bluegrass regardless of application placement. Further studies evaluated foliar and root absorption and translocation of14C-bispyribac

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15

McCullough, Patrick E., Stephen E. Hart, Thomas J. Gianfagna, and Fabio C. Chaves. "Bispyribac-sodium Metabolism in Annual Bluegrass, Creeping Bentgrass, and Perennial Ryegrass." Weed Science 57, no. 5 (2009): 470–73. http://dx.doi.org/10.1614/ws-09-025.1.

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Bispyribac-sodium selectively controls annual bluegrass in creeping bentgrass and perennial ryegrass, which might be attributed to differential metabolism among species. To test this hypothesis, we investigated metabolism of14C-bispyribac-sodium in annual bluegrass, creeping bentgrass, and perennial ryegrass. Creeping bentgrass and perennial ryegrass metabolized approximately 50% of the14C-bispyribac-sodium after 1 d, while annual bluegrass metabolized less than 20%. Parent herbicide recovered 7 d after treatment in annual bluegrass, creeping bentgrass, and perennial ryegrass was 73, 32, and 3

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McCullough, Patrick E., and Stephen E. Hart. "Creeping Bentgrass (Agrostis stolonifera) Putting Green Tolerance to Bispyribac-Sodium." Weed Technology 23, no. 3 (2009): 425–30. http://dx.doi.org/10.1614/wt-09-005.1.

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Bispyribac-sodium is an efficacious herbicide for annual bluegrass control in creeping bentgrass fairways, but turf tolerance and growth inhibition may be exacerbated by low mowing heights on putting greens. We conducted field and greenhouse experiments to investigate creeping bentgrass putting green tolerance to bispyribac-sodium. In greenhouse experiments, creeping bentgrass discoloration from bispyribac-sodium was exacerbated by reductions in mowing height from 24 to 3 mm, but mowing height did not influence clipping yields or root weight. In field experiments, discoloration of creeping ben

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17

DaCosta, Michelle, and Bingru Huang. "Changes in Antioxidant Enzyme Activities and Lipid Peroxidation for Bentgrass Species in Response to Drought Stress." Journal of the American Society for Horticultural Science 132, no. 3 (2007): 319–26. http://dx.doi.org/10.21273/jashs.132.3.319.

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Previous investigations identified velvet bentgrass (Agrostis canina L.) as having higher drought resistance among bentgrass species. This study was designed to determine whether species variation in drought resistance for colonial bentgrass (A. capillaris L.), creeping bentgrass (A. stolonifera L.), and velvet bentgrass was associated with differences in antioxidant enzyme levels in response to drought. Plants of ‘Tiger II’ colonial bentgrass, ‘L-93’ creeping bentgrass, and ‘Greenwich’ velvet bentgrass were maintained in a growth chamber under two watering treatments: 1) well-watered control

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18

DaCosta, Michelle, and Bingru Huang. "Osmotic Adjustment Associated with Variation in Bentgrass Tolerance to Drought Stress." Journal of the American Society for Horticultural Science 131, no. 3 (2006): 338–44. http://dx.doi.org/10.21273/jashs.131.3.338.

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Osmotic adjustment (OA) is a major physiological mechanism associated with maintenance of cell turgor in response to dehydration stress. The objectives of this study were to examine changes in capacity for OA in relation to plant tolerance to drought stress for two cool-season turfgrass species, creeping bentgrass (Agrostis stolonifera L.) and velvet bentgrass (A. canina L.), and to determine major solutes contributing to OA in these grass species. Plants of `L-93' creeping bentgrass and `Greenwich' velvet bentgrass were grown in a growth chamber in polyvinyl chloride (PVC) tubes (5 cm diamete

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19

Reicher, Zachary J., and Glenn A. Hardebeck. "Overseeding Strategies for Converting Golf Course Fairways to Creeping Bentgrass." HortScience 37, no. 3 (2002): 508–10. http://dx.doi.org/10.21273/hortsci.37.3.508.

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Converting cool-season golf course fairways to creeping bentgrass (Agrostis palustris Huds.) is desirable because it affords excellent playability, enhanced recuperative potential, and enhanced disease tolerance compared to annual bluegrass (Poa annua sp. Timm.) or perennial ryegrass (Lolium perenne), which are common species in fairways. However, converting current golf course fairways to creeping bentgrass with nonselective herbicides is problematic because it disrupts play and decreases revenue, as fairways must be closed for an extended period of time. The objective of our study was to qua

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20

Jeffries, Matthew D., Fred H. Yelverton, and Travis W. Gannon. "Annual Bluegrass (Poa annua) Control in Creeping Bentgrass Putting Greens with Amicarbazone and Paclobutrazol." Weed Technology 27, no. 3 (2013): 520–26. http://dx.doi.org/10.1614/wt-d-12-00144.1.

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Amicarbazone is a photosystem II–inhibiting herbicide recently registered for annual bluegrass control in established turf systems that include creeping bentgrass. However, research to date reveals potential issues with creeping bentgrass tolerance to amicarbazone. Currently, the plant-growth regulator paclobutrazol is widely adopted by turf managers for chemical annual bluegrass suppression in creeping bentgrass putting greens. Field experiments were conducted throughout North Carolina in the spring of 2010 and 2011 to assess treatment regimens that included amicarbazone (49, 65, or 92 g ai h

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Kostromytska, O. S., and A. M. Koppenhöfer. "Responses of Poa annua and three bentgrass species (Agrostis spp.) to adult and larval feeding of annual bluegrass weevil, Listronotus maculicollis (Coleoptera: Curculionidae)." Bulletin of Entomological Research 106, no. 6 (2016): 729–39. http://dx.doi.org/10.1017/s0007485316000468.

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AbstractThe annual bluegrass weevil (ABW), Listronotus maculicollis Kirby, is an economically important pest of short-cut turfgrass in Eastern North America. Wide spread insecticide resistance warrants the development of alternative management strategies for this pest. ABW damage typically occurs in areas with a high percentage of annual bluegrass, Poa annua L., the preferred ABW host. Damage to bentgrasses, Agrostis spp., is much rarer and usually less severe. To aid the implementation of host plant resistance as an alternative ABW management strategy we investigated the tolerance of three be

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22

Fu, Jinmin, and Peter H. Dernoeden. "Carbohydrate Metabolism in Creeping Bentgrass as Influenced by Two Summer Irrigation Practices." Journal of the American Society for Horticultural Science 133, no. 5 (2008): 678–83. http://dx.doi.org/10.21273/jashs.133.5.678.

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This field study was conducted to investigate carbon metabolic responses to deep and infrequent (DI) versus light and frequent (LF) irrigation in ‘Providence’ creeping bentgrass (Agrostis stolonifera L.). LF irrigation was performed daily to wet soil to a depth of 4 to 6 cm, whereas DI irrigation was performed at leaf wilt to wet soil to a depth of ≥24 cm. The creeping bentgrass was seeded into a sand-based root zone in 2005 and was maintained as a putting green during the 2006 and 2007 study years. Canopy net photosynthesis (Pn) and whole plant respiration (Rw) were monitored, and water-solub

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23

Gardner, D. S., E. K. Nelson, M. A. Waldecker, and W. R. Tarter. "Establishment and Lateral Growth of Glyphosate-resistant Creeping Bentgrass in Bare Soil." HortTechnology 16, no. 4 (2006): 590–94. http://dx.doi.org/10.21273/horttech.16.4.0590.

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Plant establishment and lateral growth of glyphosate-resistant creeping bentgrass [Agrostis stolonifera (synonym A. palustris)] were assessed to determine if the insertion of the construct conferring herbicide tolerance affected establishment rate or aggressiveness characteristics in unmowed situations. Field studies were carried out in Michigan, Illinois, Ohio, and Oregon in 2000 and 2001 to examine the relative lateral growth of several transformed lines of creeping bentgrass, non-transformed controls, and cultivar standards. Vegetative plugs of creeping bentgrass were transplanted into repl

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Yu, Jialin, Patrick E. McCullough, and William K. Vencill. "Absorption, Translocation, and Metabolism of Amicarbazone in Annual Bluegrass (Poa annua), Creeping Bentgrass (Agrostis stolonifera), and Tall Fescue (Festuca arundinacea)." Weed Science 61, no. 2 (2013): 217–21. http://dx.doi.org/10.1614/ws-d-12-00136.1.

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Amicarbazone controls annual bluegrass in cool-season turfgrasses but physiological effects that influence selectivity have received limited investigation. The objective of this research was to evaluate uptake, translocation, and metabolism of amicarbazone in these species. Annual bluegrass, creeping bentgrass, and tall fescue required < 3, 56, and 35 h to reach 50% foliar absorption, respectively. At 72 h after treatment (HAT), annual bluegrass and creeping bentgrass translocated 73 and 70% of root-absorbed14C to shoots, respectively, while tall fescue only distributed 55%. Annual bluegras

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Elmore, Matthew T., James T. Brosnan, Gregory R. Armel, Jose J. Vargas, and Gregory K. Breeden. "Herbicide Safeners Increase Creeping Bentgrass (Agrostis stolonifera) Tolerance to Pinoxaden and Affect Weed Control." Weed Technology 30, no. 4 (2016): 919–28. http://dx.doi.org/10.1614/wt-d-16-00033.1.

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The herbicide pinoxaden is a phenylpyrazoline inhibitor of acetyl coenzyme A carboxylase. Research was conducted to determine the effects of pinoxaden (90 g ai ha−1) alone and in combination with herbicide safeners on creeping bentgrass injury as well as perennial ryegrass and roughstalk bluegrass control. Greenhouse experiments determined that herbicide safeners cloquintocet-mexyl, fenchlorazole-ethyl, and mefenpyr-diethyl were more effective in reducing creeping bentgrass injury from pinoxaden than benoxacor, isoxadifen-ethyl, and naphthalic-anhydride. Other experiments determined that creep

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26

Xie, Lijuan, Deying Li, Wenjuan Fang, and Kirk Howatt. "Urea Ammonium Nitrate Additive and Raking Improved Mesotrione Efficacy on Creeping Bentgrass." HortTechnology 21, no. 1 (2011): 41–45. http://dx.doi.org/10.21273/horttech.21.1.41.

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Selective control of creeping bentgrass (Agrostis stolonifera) is desirable when it has escaped into other turfgrasses. The objective of this study was to evaluate the influence on creeping bentgrass control from adding urea ammonium nitrate (UAN) to mesotrione plus non-ionic surfactant (NIS) spray solution, and raking to remove dead tissues of creeping bentgrass. A 2-year field study was conducted with a split-plot design, where raking was the whole plot treatment and herbicide was the sub-plot treatment. Herbicide treatments included application of mesotrione at 56 and 70 g·ha−1 singly and s

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27

Barker, Whitnee L., Josh B. Beam, and Shawn D. Askew. "Effects of Rimsulfuron Lateral Relocation on Creeping Bentgrass (Agrostis stolonifera)." Weed Technology 19, no. 3 (2005): 647–52. http://dx.doi.org/10.1614/wt-04-201r1.1.

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Concern has been raised that herbicides often used to control perennial ryegrass in warm-season turf could move laterally or “track” and injure neighboring cool-season grasses. Rimsulfuron was applied at 17.5 or 35 g ai/ha to perennial ryegrass in the afternoon. The following morning, while dew was still present, a greens mower was driven through the perennial ryegrass and across the adjacent creeping bentgrass. When evaluated 5, 10, and 25 d after treatment, visible track length and creeping bentgrass injury were greatly reduced by irrigating perennial ryegrass 2 h after treatment or by irrig

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Fu, Jinmin, and Peter H. Dernoeden. "Carbohydrate Level, Photosynthesis, and Respiration in Creeping Bentgrass as Influenced by Spring and Summer Coring." Journal of the American Society for Horticultural Science 134, no. 1 (2009): 41–47. http://dx.doi.org/10.21273/jashs.134.1.41.

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Carbohydrates provide energy required to maintain healthy plant growth in summer. Coring is performed periodically on creeping bentgrass (Agrostis stolonifera L.) putting greens for numerous reasons; however, its impact on carbohydrate metabolism in creeping bentgrass is unknown. The objectives of this 2-year field study were to examine the effects of coring on rates of photosynthesis (Pn) and whole plant respiration (Rw), and to quantify water-soluble carbohydrates [WSC (i.e., glucose, fructose, and sucrose)], storage carbohydrates [SC (i.e., fructan and starch], and total nonstructural carbo

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Yuan, Jianbo, Yuqing Bai, Yuehui Chao, et al. "Genome-wide analysis reveals four key transcription factors associated with cadmium stress in creeping bentgrass (Agrostis stoloniferaL.)." PeerJ 6 (July 30, 2018): e5191. http://dx.doi.org/10.7717/peerj.5191.

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Cadmium (Cd) toxicity seriously affects the growth and development of plants, so studies on uptake, translocation, and accumulation of Cd in plants are crucial for phytoremediation. However, the molecular mechanism of the plant response to Cd stress remains poorly understood. The main objective of this study was to reveal differentially expressed genes (DEGs) under lower (BT2_5) and higher (BT43) Cd concentration treatments in creeping bentgrass. A total of 463,184 unigenes were obtained from creeping bentgrass leaves using RNA sequencing technology. Observation of leaf tissue morphology showe

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Flessner, Michael L., J. Scott McElroy, and James D. McCurdy. "Annual Bluegrass (Poa annua) Control with Methiozolin and Nutrient Tank-Mixtures." Weed Technology 31, no. 5 (2017): 761–68. http://dx.doi.org/10.1017/wet.2017.40.

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Methiozolin is a selective herbicide that has been reported to control annual bluegrass in creeping bentgrass putting greens. Golf course managers frequently tank-mix fertilizers with herbicides to reduce time and labor, but no information is available regarding such mixtures with methiozolin. Research was conducted to evaluate methiozolin for annual bluegrass control and creeping bentgrass safety when tank-mixed with ammonium sulfate or iron sulfate. Mixtures with ammonium sulfate did not influence annual bluegrass control while they did reduce creeping bentgrass injury in some instances. Mix

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Reicher, Zachary J., Glenn A. Hardebeck, Fred F. Yelverton, Nick E. Christians, Barbara Bingaman, and Jay Turner. "Tolerance to Quinclorac by Seedling Creeping Bentgrass." HortScience 37, no. 1 (2002): 210–13. http://dx.doi.org/10.21273/hortsci.37.1.210.

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Annual grassy weeds often inhibit establishment of spring-seeded creeping bentgrass (Agrostis palustris Huds.) on golf courses. The objective of this experiment was to evaluate the safety of the annual grass herbicide quinclorac in spring-seeded creeping bentgrass in varying climatic regions of the United States. Experiments were initiated in Indiana, Iowa, and North Carolina in Spring 2000. Treatments included siduron at 6.72 kg·ha-1 a.i. applied immediately prior to planting (PRE), and quinclorac at 0.84 kg·ha-1 a.i. applied 7 days before seeding (DBS), PRE, and 14 or 28 days after emergence

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McCullough, Patrick E., and Stephen E. Hart. "Temperature Influences Creeping Bentgrass (Agrostis stolonifera) and Annual Bluegrass (Poa annua) Response to Bispyribac-Sodium." Weed Technology 20, no. 3 (2006): 728–32. http://dx.doi.org/10.1614/wt-05-010r2.1.

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Bispyribac-sodium is a POST herbicide that selectively controls annual bluegrass in creeping bentgrass, but inconsistent results with seasonal applications are believed to occur from temperature influences on bispyribac-sodium efficacy. Growth chamber experiments at the New Jersey Experimental Greenhouse Research Complex, New Brunswick, NJ, investigated three temperature regimes on ‘L-93’ creeping bentgrass and annual bluegrass responses to bispyribac-sodium. Annual bluegrass and creeping bentgrass exhibited contrasting responses to bispyribac-sodium as temperature increased from 10 to 30 C. R

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McCullough, Patrick E., Jialin Yu, Mark A. Czarnota, and Paul L. Raymer. "Physiological Basis for Metamifop Selectivity on Bermudagrass (Cynodon dactylon) and Goosegrass (Eleusine indica) in Cool-Season Turfgrasses." Weed Science 64, no. 1 (2016): 12–24. http://dx.doi.org/10.1614/ws-d-15-00107.1.

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Bermudagrass and goosegrass are problematic weeds with limited herbicides available for POST control in creeping bentgrass. Metamifop effectively controls these weeds with greater selectivity in cool-season grasses than other ACCase inhibitors. The objectives of this research were to determine the physiological basis for metamifop selectivity in turfgrasses. In greenhouse experiments, metamifop rate required to reduce shoot biomass 50% from the nontreated (GR50) at 4 wk after treatment was > 6,400, 2,166, and 53 g ai ha−1for creeping bentgrass, Kentucky bluegrass, and goosegrass, respective

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Rutledge, James M., Debbie E. Morton, Daniel V. Weisenberger, and Zachary J. Reicher. "Bispyribac–sodium, Sulfosulfuron, and Interseeding Creeping Bentgrass for Long-term Control of Roughstalk Bluegrass." HortScience 45, no. 2 (2010): 283–87. http://dx.doi.org/10.21273/hortsci.45.2.283.

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Roughstalk bluegrass (Poa trivialis L.) contamination is problematic on golf course fairways from the Midwest to the mid-Atlantic regions of the United States. Bispyribac–sodium and sulfosulfuron have potential to selectively control roughstalk bluegrass. Our objectives were to determine the most effective herbicide treatments for short- and long-term roughstalk bluegrass control and to determine if interseeding with creeping bentgrass (Agrostis stolonifera L.) after herbicide treatments will improve long-term control of roughstalk bluegrass or conversion to creeping bentgrass. Plots were trea

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McCullough, Patrick E., Diego Gómez de Barreda, and Jialin Yu. "Selectivity of Methiozolin for Annual Bluegrass (Poa annua) Control in Creeping Bentgrass as Influenced by Temperature and Application Timing." Weed Science 61, no. 2 (2013): 209–16. http://dx.doi.org/10.1614/ws-d-12-00135.1.

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Methiozolin controls annual bluegrass in creeping bentgrass but application timing and temperature could influence efficacy in turf. In field experiments, sequential methiozolin applications totaling 3.36 kg ai ha−1provided excellent (> 90%) annual bluegrass control at 8 wk after initial treatment when treatments were initiated in February/March or May but programs totaling 0.84 and 1.68 kg ha−1provided poor control (< 70%) at both timings. Methiozolin at all rates caused minimal turf injury (< 8%) but creeping bentgrass was only injured from February/March applications. In growth cha

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Koske, R. E., J. N. Gemma, and N. Jackson. "Mycorrhizal fungi associated with three species of turfgrass." Canadian Journal of Botany 75, no. 2 (1997): 320–32. http://dx.doi.org/10.1139/b97-034.

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Small plots of highly maintained turfs of creeping bentgrass (Agrostis palustris cv. Penncross) and velvet bentgrass (Agrostis canina cv. Kingstown) and a marginally maintained stand of annual bluegrass (Poa annua) were sampled intensively over a 15-month period to measure the populations of spores of arbuscular mycorrhizal fungi (AMF) associated with their root systems. Direct isolation of spores and trap cultures were used to assess the AMF communities. Spores of more than 18 species of AMF were isolated. The six dominant species (as measured by the abundance and frequency of occurrence of s

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McCullough, Patrick E., Stephen E. Hart, Thomas Gianfagna, and Fabio Chaves. "Nitrogen Influences Bispyribac-Sodium Efficacy and Metabolism in Annual Bluegrass (Poa annua) and Creeping Bentgrass (Agrostis stolonifera)." Weed Technology 25, no. 3 (2011): 385–90. http://dx.doi.org/10.1614/wt-d-10-00136.1.

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Field and laboratory experiments were conducted in New Jersey to investigate the influence of nitrogen on annual bluegrass and creeping bentgrass metabolism and responses to bispyribac-sodium. In field experiments, withholding nitrogen during the test period increased sensitivity of both grasses to bispyribac-sodium, and grasses fertilized biweekly had darker color on most rating dates. Nitrogen generally increased annual bluegrass tolerance to bispyribac-sodium at 74 g ha−1but not at 148 g ha−1. Creeping bentgrass was influenced by nitrogen at both herbicide rates. In laboratory experiments,

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Watson, John, François Hébert, Eric M. Lyons, Theo Blom, and Katerina S. Jordan. "Velvet Bentgrass and Creeping Bentgrass Growth, Rooting, and Quality with Different Root Zone Media and Fertility Regimes." HortScience 47, no. 2 (2012): 205–11. http://dx.doi.org/10.21273/hortsci.47.2.205.

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Two complementary greenhouse studies were conducted to examine the effects of different root zones and fertilization regimes on ‘SR7200' velvet bentgrass (Agrostis canina L.) and L-93 creeping bentgrass (Agrostis stolonifera L.). In the first study, in which only velvet bentgrass was studied, peat content in the root zone mixture contributed significantly to initial establishment of this species and high seeding rates increased cumulative shoot dry weight early in establishment but became less significant as the turfgrass matured. Higher phosphorus rates contributed to increased cumulative sho

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Gregos, Jeff, M. D. Casler, and J. C. Stier. "Resistance of Closely Mown Fine Fescue and Bentgrass Species to Snow Mold Pathogens." Plant Disease 95, no. 7 (2011): 847–52. http://dx.doi.org/10.1094/pdis-11-10-0791.

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Creeping bentgrass (Agrostis stolonifera) is the primary species used on golf courses in temperate regions but requires prophylactic fungicide treatment to prevent snow mold diseases. We hypothesized that fine fescues (Festuca spp.) and colonial bentgrass (A. capillaris) have superior resistance to snow mold diseases compared with creeping bentgrass. Our objective was to compare the resistance of fine fescues, colonial bentgrass, and creeping bentgrass to snow mold diseases caused by Microdochium nivale and Typhula spp. Field plots were established in two separate years on fairways of three go

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Murphy, Tim R., and B. Jack Johnson. "Tolerance of Putting Green Turfgrasses to Simazine in Irrigation Water." Weed Technology 6, no. 2 (1992): 328–32. http://dx.doi.org/10.1017/s0890037x00034813.

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Field experiments were conducted in 1989 and 1990 to evaluate the tolerance of ‘Penncross' creeping bentgrass and ‘Tifway’ bermudagrass fall-overseeded with perennial ryegrass to irrigation water containing simazine. Creeping bentgrass was more sensitive to simazine than the bermudagrass/ryegrass mixture. The predicted critical simazine concentration necessary to reduce creeping bentgrass quality ≤ 60% was 0.22 mg L–1which corresponded to a cumulative simazine rate of 98 g ha–1. For bermudagrass/ryegrass, the predicted critical simazine concentration and cumulative simazine rate that reduced q

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Gardner, D. S., T. K. Danneberger, E. Nelson, W. Meyer, and K. Plumley. "Relative Fitness of Glyphosate-resistant Creeping Bentgrass Lines in Kentucky Bluegrass." HortScience 38, no. 3 (2003): 455–59. http://dx.doi.org/10.21273/hortsci.38.3.455.

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Genetically transformed cultivars of creeping bentgrass (Agrostis stolonifera L. syn. Agrostis palustris Huds.) that are resistant to glyphosate have been developed by a collaboration of the Scotts and Monsanto companies. Prior to commercial release, we desired to determine if the transformed plants behave similarly to traditional creeping bentgrass except for the effects expected from the inserted gene, i.e., resistance to glyphosate. Therefore, studies were initiated on 23 June 2000 in Marysville, Ohio; 14 July 2000 in Middleton, N.J.; and 20 June 2000 in Gervais, Ore., to examine the relati

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Cattani, D. J., P. R. Miller, and S. R. Smith Jr. "The effect of ice encasement and early snow removal on the survival of creeping bentgrass." Canadian Journal of Plant Science 80, no. 2 (2000): 465–66. http://dx.doi.org/10.4141/p98-094b.

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Field studies conducted in 1992–1995 evaluated turf injury to creeping bentgrass following winter ice encasement. During the 1995 winter, ice encasement accompanied by early snow removal caused high stand mortality for two of five cultivars/line, but ice encasement with snow cover had no effect. Our results suggest that dormancy of the cultivars affect bentgrass survival under ice encasement. Key words: Ice encasement, creeping bentgrass

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Jones, Marcus A., Nick E. Christians, Daniel Weisenberger, and Zachary J. Reicher. "Selective Removal of Creeping Bentgrass from Kentucky Bluegrass with Sulfosulfuron." HortScience 43, no. 3 (2008): 919–21. http://dx.doi.org/10.21273/hortsci.43.3.919.

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Creeping bentgrass (Agrostis stolonifera L.) is well adapted to golf course greens, tees, and fairways but may become a weed in Kentucky bluegrass (Poa pratensis L.) roughs and lawns. The objectives of this study were to determine effects of sulfosulfuron rate and application date on control of creeping bentgrass and safety on Kentucky bluegrass. Field experiments were initiated in 2003 and 2004 in Ames, IA, and West Lafayette, IN. Single applications of sulfosulfuron at 0.011 or 0.022 kg·ha−1 were applied over a 9-week period during the fall of each year. Phytotoxicity on Kentucky bluegrass w

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Carson, T. D., B. P. Horgan, and D. B. White. "Selective Control of Bentgrass in ‘True Putt’ Creeping Bluegrass." Journal of Environmental Horticulture 22, no. 4 (2004): 213–16. http://dx.doi.org/10.24266/0738-2898-22.4.213.

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Abstract The ability to selectively control a specific cool-season grass growing in a mixed stand would offer great advantages to turfgrass managers. It is common for monostands of creeping bentgrass (Agrostis stolonifera) to become infested with annual bluegrass (Poa annua). Conversely, monostands of ‘True Putt’ creeping bluegrass (Poa annua var. reptans), a commercially available perennial biotype of Poa annua, often develop bentgrass infestations. The objective of this study was to evaluate the efficacy of various herbicides for the selective control of bentgrass with minimal injury to True

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Cattani, D. J., S. R. Smith Jr, and P. R. Miller. "Relationship of shoot morphology between seedlings and established turf in creeping bentgrass." Canadian Journal of Plant Science 76, no. 2 (1996): 283–89. http://dx.doi.org/10.4141/cjps96-050.

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Shoot morphological characteristics are important determinants of turf quality in creeping bentgrass. The objectives of this research were to determine differences for tiller and stolon characteristics among creeping bentgrass cultivars and germplasms and compare these characteristics between seedlings and established turf. Two experiments involving 10 and 15 entries were grown in controlled environment chambers and harvested as seedlings at 21, 35 and 49 d and 21, 28 and 35 d, respectively. Nine and fifteen creeping bentgrass entries were grown in separate field experiments on sand-based golf

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Goss, R. M., R. E. Gaussoin, and A. R. Martin. "Phytotoxicity of Clippings from Creeping Bentgrass Treated with Glyphosate." Weed Technology 18, no. 3 (2004): 575–79. http://dx.doi.org/10.1614/wt-03-093r2.

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Recent advances in genetic engineering have led to the development of glyphosate-resistant (GR) crops for genetic markers and selective weed control. The effects of glyphosate residue on turfgrass clippings could be toxic to non-GR species. The objective of this experiment was to determine whether glyphosate would retain activity within clippings of creeping bentgrass when applied to Kentucky bluegrass and perennial ryegrass. Greenhouse-grown ‘Penncross’ and GR ‘ASR-368’ were treated with glyphosate at 2.24 kg/ha. Clippings were collected 1, 3, 7, and 12 d after application and applied to gree

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Carroll, M. J., M. J. Mahoney, and P. H. Dernoeden. "Creeping Bentgrass (Agrostis palustris) Quality As Influenced by Multiple Low-Rate Applications of Fenoxaprop." Weed Technology 6, no. 2 (1992): 356–60. http://dx.doi.org/10.1017/s0890037x00034862.

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Multiple applications of fenoxaprop (0.027, 0.036, and 0.045 kg ai ha–1) were field-applied on either 2-, 3-, or 4-wk intervals to ‘Penncross' creeping bentgrass maintained at putting green height in Easton, MD and Silver Spring, MD during 1989 and 1990. At both locations, yearly averaged creeping bentgrass quality ratings decreased with increasing fenoxaprop rate. Creeping bentgrass discoloration and thinning were minimal at 0.027 kg ha–1 fenoxaprop and did not reduce season-long turf quality below acceptable levels at either site in 1989 or 1990. Substantial discoloration and thinning was ob

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Bunnell, B. Todd, Lambert B. McCarty, and Hoke S. Hill. "Soil Gas, Temperature, Matric Potential, and Creeping Bentgrass Growth Response to Subsurface Air Movement on a Sand-based Golf Green." HortScience 39, no. 2 (2004): 415–19. http://dx.doi.org/10.21273/hortsci.39.2.415.

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Creeping bentgrass (Agrostis palustris Huds.) is used on putting greens for its fine-leaf texture, consistent speed, smooth ball roll, and year-round color. In recent years bentgrass use has extended into the warmer climates of the southern United States. Being a C3 plant, bentgrass is not well adapted to extended hot and humid environmental conditions. Subsurface air movement systems are now commercially available that can transport air through the root zone to alter soil conditions and potentially improve bentgrass survival. This research investigated the effects of subsurface air movement o

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Cattani, D. J., S. R. Smith, Jr ,. P. R. Miller, D. E. Feindel, and R. Gjuric. "Seed yield and yield components of creeping bentgrass cultivars." Canadian Journal of Plant Science 84, no. 1 (2004): 117–24. http://dx.doi.org/10.4141/p02-007.

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Creeping bentgrass (Agrostis stolonifera L.) is a high-value turfgrass species that offers opportunities for western Canadian seed companies and producers. The objective of this study was to evaluate creeping bentgrass seed yield and the relationship between seedhead density and seed yield across a diverse range of cultivars. A series of four trials was established in Manitoba between 1992 and 1994 and included 18th Green, Cobra, Emerald, National, Penneagle, Pennlinks, Putter, Southshore, UM86-01 and UM86-02. Seed production and seedhead density were measured for 2–3 yr at each location. Addi

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Rana, Sandeep S., and Shawn D. Askew. "Long-Term Roughstalk Bluegrass Control in Creeping Bentgrass Fairways." Weed Technology 31, no. 5 (2017): 714–23. http://dx.doi.org/10.1017/wet.2017.72.

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Methiozolin is an isoxazoline herbicide that selectively controls annual bluegrass in cool-season turf and may control roughstalk bluegrass, another weedyPoaspecies that is problematic in many turfgrass systems. However, the majority of research to date is limited to evaluating methiozolin efficacy for annual bluegrass control in creeping bentgrass putting greens. Research was conducted comparing various application regimes of methiozolin and other herbicides for long-term roughstalk bluegrass control in creeping bentgrass golf fairways. Methiozolin-only treatments did not injure creeping bent

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